DIAVAL, a Bayesian expert system for echocardiography

被引：63
作者：
Diez, FJ
Mira, J
Iturralde, E
Zubillaga, S
机构：
[1] HOSP PRINCESA, SECT ECHOCARDIOG, MADRID 28006, SPAIN
[2] UNIV HOSP, INTENS CARE UNIT, GETAFE 28905, MADRID, SPAIN
来源：
ARTIFICIAL INTELLIGENCE IN MEDICINE | 1997年 / 10卷 / 01期
关键词：
knowledge-based systems; uncertainty management; Bayesian networks; AI in medicine; echocardiography;
D O I：
10.1016/S0933-3657(97)00384-9
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
DIAVAL is an expert system for the diagnosis of heart diseases, including several kinds of data, mainly from echocardiography. The first part of this paper is devoted to the causal probabilistic model which constitutes the knowledge base of the expert system in the form of a Bayesian network, emphasizing the importance of the OR gate. The second part deals with the process of diagnosis, which consists of computing the a posteriori probabilities, selecting the most probable and most relevant diagnoses, and generating a written report. It also describes the results of the evaluation of the program. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：59 / 73
页数：15
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